detectors/slsDetectorPackage
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added prgoramfpga functionality, currently gpio definitions required in /etc/rc file, will rectify in later commits

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This commit is contained in:
Dhanya Maliakal
2016-09-29 10:28:27 +02:00
parent 5c81abdce0
commit 813b7ba6e7
13 changed files with 423 additions and 27 deletions
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118
slsDetectorSoftware/jungfrauDetectorServer/firmware_funcs.c
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@@ -114,6 +114,8 @@ int masterMode=NO_MASTER, syncMode=NO_SYNCHRONIZATION, timingMode=AUTO_TIMING;
enum externalSignalFlag signals[4]={EXT_SIG_OFF, EXT_SIG_OFF, EXT_SIG_OFF, EXT_SIG_OFF};
int withGotthard = 0;
char mtdvalue[10];
/**is not const because this value will change after initDetector, is removed from mcb_funcs.c cuz its not used anywhere
* why is this used anywhere instead of macro*/
@@ -3377,4 +3379,120 @@ int setDac(int dacnum,int dacvalue){
}
void eraseFlash(){
#ifdef VERY_VERBOSE
printf("\n at eraseFlash \n");
#endif
char command[255];
sprintf(command,"flash_eraseall %s",mtdvalue);
system(command);
printf("flash erased\n");
}
int startWritingFPGAprogram(FILE** filefp){
#ifdef VERY_VERBOSE
printf("\n at startWritingFPGAprogram \n");
#endif
//getting the drive
char output[255];
FILE* fp = popen("awk \'$4== \"\\\"bitfile(spi)\\\"\" {print $1}\' /proc/mtd", "r");
fgets(output, sizeof(output), fp);
pclose(fp);
strcpy(mtdvalue,"/dev/");
char* pch = strtok(output,":");
if(pch == NULL){
cprintf(RED,"Could not get mtd value\n");
return FAIL;
}
strcat(mtdvalue,pch);
printf ("\nWriting FPGA program to flash.\nThe drive is %s\n",mtdvalue);
//tell FPGA to not touch flash
system("echo 0 > /sys/class/gpio/gpio9/value");
/*
char output2[255];
fp = popen("echo 0 > /sys/class/gpio/gpio9/value","r");
fgets(output2, sizeof(output2), fp);
pclose(fp);
printf("strlen output %d\n", strlen(output2)); //always 1
printf("output got:%s\n",output2);
if(strstr (output2,"No such file or directory")!= NULL){ //doesnt notice
printf("matched!\n");
return -1;
}
printf("not matched\n");
*/
//writing the program to flash
*filefp = fopen(mtdvalue, "w");
if(*filefp == NULL){
cprintf(RED,"Unable to open %s in write mode\n",mtdvalue);
return FAIL;
}
printf("flash ready for writing\n");
return OK;
}
int stopWritingFPGAprogram(FILE* filefp){
#ifdef VERY_VERBOSE
printf("\n at stopWritingFPGAprogram \n");
#endif
int wait = 0;
if(filefp!= NULL){
fclose(filefp);
wait = 1;
}
//tell FPGA to touch flash to program itself
system("echo 1 > /sys/class/gpio/gpio9/value");
if(wait){
#ifdef VERY_VERBOSE
printf("Waiting for FPGA to program from flash\n");
#endif
//waiting for success or done
char output[255];
int res=0;
while(res == 0){
FILE* sysFile = popen("cat /sys/class/gpio/gpio7/value", "r");
fgets(output, sizeof(output), sysFile);
pclose(sysFile);
sscanf(output,"%d",&res);
#ifdef VERY_VERBOSE
printf("gpi07 returned %d\n",res);
#endif
}
}
printf("FPGA has picked up the program from flash\n\n");
return OK;
}
int writeFPGAProgram(char* fpgasrc, size_t fsize, FILE* filefp){
#ifdef VERY_VERBOSE
printf("\n at writeFPGAProgram \n");
cprintf(BLUE,"address of fpgasrc:%p\n",(void *)fpgasrc);
cprintf(BLUE,"fsize:%d\n",fsize);
cprintf(BLUE,"pointer:%p\n",(void*)filefp);
#endif
if(fwrite((void*)fpgasrc , sizeof(char) , fsize , filefp )!= fsize){
cprintf(RED,"Could not write FPGA source to flash\n");
return FAIL;
}
#ifdef VERY_VERBOSE
cprintf(BLUE,"program written to flash\n");
#endif
return OK;
}